Firmware Version 1.6.0 incorporates the following enhancements and fixes:
1. Adds the ability to select [WPA2] and [WPA3] as a secured protocol.
2. Adds support for the Software Development Assistance Kit (EDSDK/CCAPI).
3. The following issues have been fixed.
3-1. Fixes an issue, in which when SPEEDLITE EL-5, EL-10 is attached, the "Accessory unavailable status" message may be displayed when restarting after the camera has gone into Auto Power Off. (Only occurs with firmware Ver.1.5.0)
3-2. Fixes an issue, in which when performing shooting in high-speed continuous shooting + mode with the [Highlight Tone Priority] option set to [ON], focus may not be achieved when certain ISO speed settings are used.
The firmware can be downloaded at:
https://www.canon.co.uk/support/consumer/products/cameras/eos-r/eos-r10.html?type=manuals